After redesigning the PAS 2000 from the framework
of the Philips SIRE II wafer stepper, ASML then set about building a
system for the future. This is it, PAS 2500. It became the system
that made ASML into the powerhouse it is today, and led the way
towards their 5500 series line.
Click here for a summary by Dan Hutcheson and Richard
George on the design of the PAS 2500, its impact upon the industry,
and the key people who brought it into being.